Warning: Permanently added '10.128.1.0' (ECDSA) to the list of known hosts. 2023/06/28 21:10:53 fuzzer started 2023/06/28 21:10:53 connecting to host at 10.128.0.163:36887 2023/06/28 21:10:53 checking machine... 2023/06/28 21:10:53 checking revisions... 2023/06/28 21:10:53 testing simple program... [ 52.548168][ T4996] cgroup: Unknown subsys name 'net' [ 52.666851][ T4996] cgroup: Unknown subsys name 'rlimit' [ 53.935995][ T4996] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 53.948504][ T4994] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=4994 'syz-fuzzer' [ 54.045842][ T4999] ================================================================================ [ 54.055181][ T4999] UBSAN: array-index-out-of-bounds in kernel/pid.c:244:3 [ 54.062334][ T4999] index 1 is out of range for type 'struct upid[1]' [ 54.068983][ T4999] CPU: 0 PID: 4999 Comm: syz-executor.0 Not tainted 6.4.0-syzkaller-02218-g1b2c92a1cb24 #0 [ 54.078949][ T4999] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 54.089077][ T4999] Call Trace: [ 54.092377][ T4999] [ 54.095294][ T4999] dump_stack_lvl+0x1e7/0x2d0 [ 54.099983][ T4999] ? nf_tcp_handle_invalid+0x650/0x650 [ 54.105425][ T4999] ? panic+0x770/0x770 [ 54.109477][ T4999] ? lockdep_hardirqs_on_prepare+0x43c/0x7a0 [ 54.115535][ T4999] ? __lock_acquire+0x7f70/0x7f70 [ 54.120542][ T4999] ? _raw_spin_lock_irq+0xdf/0x120 [ 54.125640][ T4999] __ubsan_handle_out_of_bounds+0x11c/0x150 [ 54.131526][ T4999] ? lockdep_hardirqs_on+0x98/0x140 [ 54.136708][ T4999] alloc_pid+0x405/0xc40 [ 54.140950][ T4999] copy_process+0x1f2f/0x4350 [ 54.145614][ T4999] ? verify_lock_unused+0x140/0x140 [ 54.150894][ T4999] ? perf_event_namespaces+0x208/0xca0 [ 54.156351][ T4999] ? __pidfd_prepare+0x140/0x140 [ 54.161278][ T4999] kernel_clone+0x222/0x800 [ 54.165854][ T4999] ? create_io_thread+0x1d0/0x1d0 [ 54.170864][ T4999] ? do_raw_spin_lock+0x14d/0x3a0 [ 54.175879][ T4999] ? do_raw_spin_unlock+0x13b/0x8b0 [ 54.181068][ T4999] __x64_sys_clone+0x258/0x2a0 [ 54.185817][ T4999] ? __do_sys_vfork+0x120/0x120 [ 54.190657][ T4999] ? lockdep_hardirqs_on_prepare+0x43c/0x7a0 [ 54.196635][ T4999] ? syscall_enter_from_user_mode+0x32/0x230 [ 54.202601][ T4999] ? lockdep_hardirqs_on+0x98/0x140 [ 54.207794][ T4999] ? syscall_enter_from_user_mode+0x32/0x230 [ 54.213772][ T4999] do_syscall_64+0x41/0xc0 [ 54.218176][ T4999] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 54.224051][ T4999] RIP: 0033:0x7f06cbc89fab [ 54.228462][ T4999] Code: ed 0f 85 60 01 00 00 64 4c 8b 0c 25 10 00 00 00 45 31 c0 4d 8d 91 d0 02 00 00 31 d2 31 f6 bf 11 00 20 01 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 89 00 00 00 41 89 c5 85 c0 0f 85 90 00 00 [ 54.248071][ T4999] RSP: 002b:00007ffea8d55a50 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 54.256489][ T4999] RAX: ffffffffffffffda RBX: 00007ffea8d560a8 RCX: 00007f06cbc89fab [ 54.264445][ T4999] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 54.272496][ T4999] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000555556a60400 [ 54.280458][ T4999] R10: 0000555556a606d0 R11: 0000000000000246 R12: 0000000000000000 [ 54.288421][ T4999] R13: 00007ffea8d55b40 R14: 00007f06cbdac9d8 R15: 000000000000000c [ 54.296472][ T4999] [ 54.299763][ T4999] ================================================================================ [ 54.309087][ T4999] Kernel panic - not syncing: UBSAN: panic_on_warn set ... [ 54.316287][ T4999] CPU: 0 PID: 4999 Comm: syz-executor.0 Not tainted 6.4.0-syzkaller-02218-g1b2c92a1cb24 #0 [ 54.326266][ T4999] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 54.336399][ T4999] Call Trace: [ 54.339670][ T4999] [ 54.342594][ T4999] dump_stack_lvl+0x1e7/0x2d0 [ 54.347272][ T4999] ? nf_tcp_handle_invalid+0x650/0x650 [ 54.352725][ T4999] ? panic+0x770/0x770 [ 54.356786][ T4999] ? vscnprintf+0x5d/0x80 [ 54.361118][ T4999] panic+0x30f/0x770 [ 54.365005][ T4999] ? check_panic_on_warn+0x21/0xa0 [ 54.370115][ T4999] ? __memcpy_flushcache+0x2b0/0x2b0 [ 54.375566][ T4999] ? dump_stack_lvl+0x253/0x2d0 [ 54.380414][ T4999] ? lockdep_hardirqs_on_prepare+0x43c/0x7a0 [ 54.386392][ T4999] ? __lock_acquire+0x7f70/0x7f70 [ 54.391412][ T4999] check_panic_on_warn+0x82/0xa0 [ 54.396348][ T4999] __ubsan_handle_out_of_bounds+0x13c/0x150 [ 54.402241][ T4999] ? lockdep_hardirqs_on+0x98/0x140 [ 54.407437][ T4999] alloc_pid+0x405/0xc40 [ 54.411683][ T4999] copy_process+0x1f2f/0x4350 [ 54.416438][ T4999] ? verify_lock_unused+0x140/0x140 [ 54.421650][ T4999] ? perf_event_namespaces+0x208/0xca0 [ 54.427103][ T4999] ? __pidfd_prepare+0x140/0x140 [ 54.432043][ T4999] kernel_clone+0x222/0x800 [ 54.436541][ T4999] ? create_io_thread+0x1d0/0x1d0 [ 54.441561][ T4999] ? do_raw_spin_lock+0x14d/0x3a0 [ 54.446673][ T4999] ? do_raw_spin_unlock+0x13b/0x8b0 [ 54.451967][ T4999] __x64_sys_clone+0x258/0x2a0 [ 54.456737][ T4999] ? __do_sys_vfork+0x120/0x120 [ 54.461666][ T4999] ? lockdep_hardirqs_on_prepare+0x43c/0x7a0 [ 54.467798][ T4999] ? syscall_enter_from_user_mode+0x32/0x230 [ 54.473768][ T4999] ? lockdep_hardirqs_on+0x98/0x140 [ 54.479053][ T4999] ? syscall_enter_from_user_mode+0x32/0x230 [ 54.485022][ T4999] do_syscall_64+0x41/0xc0 [ 54.489431][ T4999] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 54.495317][ T4999] RIP: 0033:0x7f06cbc89fab [ 54.499736][ T4999] Code: ed 0f 85 60 01 00 00 64 4c 8b 0c 25 10 00 00 00 45 31 c0 4d 8d 91 d0 02 00 00 31 d2 31 f6 bf 11 00 20 01 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 89 00 00 00 41 89 c5 85 c0 0f 85 90 00 00 [ 54.519334][ T4999] RSP: 002b:00007ffea8d55a50 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 54.527749][ T4999] RAX: ffffffffffffffda RBX: 00007ffea8d560a8 RCX: 00007f06cbc89fab [ 54.535725][ T4999] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 54.543687][ T4999] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000555556a60400 [ 54.551753][ T4999] R10: 0000555556a606d0 R11: 0000000000000246 R12: 0000000000000000 [ 54.560063][ T4999] R13: 00007ffea8d55b40 R14: 00007f06cbdac9d8 R15: 000000000000000c [ 54.568035][ T4999] [ 54.571290][ T4999] Kernel Offset: disabled [ 54.575688][ T4999] Rebooting in 86400 seconds..